Owner's manual

ManualsBrandsBNC ManualsGenerators845-M



37



Model 845-M Programmer’s

Manual

V1.1 2011

[SOURce]:FM Subsystem

(Frequency

Modulation)

Command Parameters Unit

(default)

[SOURce:]FM:DEViation <value>

[SOURce:]FM:SENSitivity <value> 10000

Hz/V

[SOURce:]FM:INT:FREQuency <value>

[SOURce:]FM:SOURce INTernal

|

EXTernal

EXT

[SOURce:]FM:STATe

ON|OFF|1|0 OFF

[SOURce:]FM:COUPling

DC | AC AC

:

FM:DEViation

[SOURce]:FM:SENSitivity

<value>

[SOURce]:FM:

SENSitivity?

This command sets

the

frequency

modulation deviation.

This

setting will be

used

if

:FM:SOURc

e

is

set to

LFGenerator.

The variable <value>

is expressed

in units of

Hert

z.

*RST

10000

:FM:SENSitivity

[SOURce]:FM:SENSitivity

<value>

[SOURce]:FM:

SENSitivity?

This command sets

the frequency modulation deviation per one volt peak amplitude signal

input.

This

setting will be

used

if

:FM:SOURce is

set to EXTernal. The

variable <value>

is expressed

in units of Hertz per

Volt.

*RST

10000

:

FM:IN

T:FR

E

Q

uency

[SOURce]:FM:INT:FREQuency

<value>

[SOURce]:FM:INT:FREQuency?

This command sets

the

frequency

modulation rate in Hz.

This

setting will be

used

if :FM:SOURce

is

set to INTernal.

The variable <value>

is expressed

in

Hert

z.

*RST

:FM:SOURce

[SOURce]:FM:SOURce EXTernal |

INTernal

[SOURce]:FM:SOURce?

This command selects

the FM modulation

signal source.

If

INTernal is selected,

an

inter

nal

modulation

source is

applied. If

EXTernal is selected,

the

device’s

)

M

input (at the rear panel) is activated.

*RST

EXT

:FM:STATe

[SOURce]:FM:STATe

ON|

O

FF|1|

0

[

S

OU

Rce]

:FM:STA

Te?

This command

turns the

frequency

modulation on or

off.

*RST

OFF

:FM::COUPling